GM Blazer/Jimmy/Typhoon/Bravada 1983-1993 Repair Guide

Poor Acceleration

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When the engine experiences poor acceleration characteristics, check for the following, as necessary:

  1. Incorrect ignition timing.
  2.  
  3. Poorly seated valves.
  4.  
  5. Improperly adjusted accelerator pump stroke (carburetor equipped).
  6.  
  7. Worn accelerator pump diaphragm or piston (carburetor equipped).
  8.  
  9. Fault with the computerized engine control system.
  10.  

 
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